dubbo統一異常處理，呼叫方只顯示封裝後的異常。

1、返回封裝後的Exception

2、返回封裝後的統一返回資訊

import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import com.midea.jr.commons.utils.BeanUtils;
import com.midea.jr.efc.edp.common.bean.Response;
import com.midea.jr.efc.edp.common.enums.ResponseCodeEnum;
import com.midea.jr.efc.edp.common.exception.BizException;

/**
 * <p>Project: <p>
 * <p>Module: <p>
 * <p>Description: <p>
 *
 * @author wangzy25
 * @date 2017年6月12日 上午10:07:58
 */
@Component
@Aspect
public class DubboExceptionInterceptor {

	private static final Logger LOGGER = LoggerFactory.getLogger(DubboExceptionInterceptor.class);
	
	@AfterThrowing(throwing="ex",pointcut="execution(* com.midea.jr.efc.edp.api.service.**.*(..))")
    public BizException handle(Exception ex){
		LOGGER.error("Intercept dubbo exception:{}", ex.getMessage(), ex);
		if(ex instanceof BizException){
			throw (BizException)ex;
		}
		//如果是非包裝異常，則包裝成統一的內部異常
        throw new BizException(ResponseCodeEnum.EXCEPTION_INTERAL);
    }
	
	@AfterThrowing(throwing="ex",pointcut="execution(* com.midea.jr.efc.edp.api.service.**.*(..))")
    public Response<?> handle(Exception ex){
		Response<?> response = new Response<>();
		LOGGER.error("intercept ServiceException:{}", ex.getMessage(), ex);
		if(ex instanceof BizException){
			BeanUtils.copyProperties( ex, response );
			return response;
		}
		//如果是非包裝異常，則包裝成統一的內部異常
        return new Response<>(ResponseCodeEnum.EXCEPTION_INTERAL);
    }
	
}